253123304150040 has 64 divisors (see below), whose sum is σ = 759371061080160. Its totient is φ = 67499445672960.

The previous prime is 253123304150009. The next prime is 253123304150063. The reversal of 253123304150040 is 40051403321352.

It is a junction number, because it is equal to n+sod(n) for n = 253123304149983 and 253123304150010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111103150 + ... + 113358530.

Almost surely, 2^{253123304150040} is an apocalyptic number.

253123304150040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253123304150040 is an abundant number, since it is smaller than the sum of its proper divisors (506247756930120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253123304150040 is a wasteful number, since it uses less digits than its factorization.

253123304150040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190652 (or 3190648 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 253123304150040 its reverse (40051403321352), we get a palindrome (293174707471392).

The spelling of 253123304150040 in words is "two hundred fifty-three trillion, one hundred twenty-three billion, three hundred four million, one hundred fifty thousand, forty".